Package com.clickhouse.data

Class ClickHouseByteUtils

java.lang.Object

com.clickhouse.data.ClickHouseByteUtils

public class ClickHouseByteUtils
extends Object

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ClickHouseByteUtils()

Method Summary

Modifier and Type	Method	Description
static int	getInt32LE(byte[] bytes, int offset)
static long	getInt64LE(byte[] bytes, int offset)
static int	getVarInt(ByteBuffer buffer)	Gets varint from given byte buffer.
static int	getVarIntSize(int value)	Get varint length of given integer.
static int	getVarLongSize(long value)	Get varint length of given long.
static int	readVarInt(InputStream input)	Reads varint from given input stream.
static void	setInt32LE(byte[] bytes, int offset, int value)
static void	setInt64LE(byte[] bytes, int offset, long value)
static void	setVarInt(ByteBuffer buffer, int value)	Write varint to given output stream.
static void	writeVarInt(OutputStream output, long value)	Writes varint to given output stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ClickHouseByteUtils

protected ClickHouseByteUtils()

Method Details

getInt32LE

public static int getInt32LE(byte[] bytes,
 int offset)

setInt32LE

public static void setInt32LE(byte[] bytes,
 int offset,
 int value)

getInt64LE

public static long getInt64LE(byte[] bytes,
 int offset)

setInt64LE

public static void setInt64LE(byte[] bytes,
 int offset,
 long value)

getVarIntSize

public static int getVarIntSize(int value)

Get varint length of given integer.

Parameters:

value - integer

Returns:

varint length

getVarLongSize

public static int getVarLongSize(long value)

Get varint length of given long.

Parameters:

value - long

Returns:

varint length

getVarInt

public static int getVarInt(ByteBuffer buffer)

Gets varint from given byte buffer.

Parameters:

buffer - non-null byte buffer

Returns:

varint

setVarInt

public static void setVarInt(ByteBuffer buffer,
 int value)

Write varint to given output stream.

Parameters:

buffer - non-null byte buffer

value - integer value

readVarInt

public static int readVarInt(InputStream input)
                      throws IOException

Reads varint from given input stream.

Parameters:

input - non-null input stream

Returns:

varint

Throws:

IOException - when failed to read value from input stream or reached end of the stream

writeVarInt

public static void writeVarInt(OutputStream output,
 long value)
                        throws IOException

Writes varint to given output stream.

Parameters:

output - non-null output stream

value - long value

Throws:

IOException - when failed to write value to output stream or reached end of the stream